23503465 has 4 divisors (see below), whose sum is σ = 28204164. Its totient is φ = 18802768.

The previous prime is 23503457. The next prime is 23503471. The reversal of 23503465 is 56430532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8549776 + 14953689 = 2924^2 + 3867^2 .

It is a cyclic number.

It is not a de Polignac number, because 23503465 - 2³ = 23503457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2350342 + ... + 2350351.

It is an arithmetic number, because the mean of its divisors is an integer number (7051041).

Almost surely, 2^23503465 is an apocalyptic number.

It is an amenable number.

23503465 is a deficient number, since it is larger than the sum of its proper divisors (4700699).

23503465 is an equidigital number, since it uses as much as digits as its factorization.

23503465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700698.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 23503465 is about 4848.0372317052. The cubic root of 23503465 is about 286.4467929705.

Adding to 23503465 its reverse (56430532), we get a palindrome (79933997).

The spelling of 23503465 in words is "twenty-three million, five hundred three thousand, four hundred sixty-five".